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Imaging in Genitourinary System
dr. Harry Galuh Nugraha, Sp.Rad
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ANATOMY Genitourinary System Urinary System Kidney Ureter Bladder
Urethra
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ANATOMY
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ANATOMY Genitourinary System Genital/Reproductive Male Female Testis
Uterus Epidydimis Salphynx Vas deferen Ovaries Ejaculatory duct Cervix Prostate Vagina Seminal vesicle Penis
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ANATOMY Male Reproductive System
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ANATOMY Female Reproductive System
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ANATOMY KIDNEY Bean shaped (convex laterally & concave medially)
Length: ±11,5cm or 31/2 vertebral body) Width: ±5-8cm Thickness: ±3cm Retroperitoneal Between Th12- L3 Right kidney is lower ± 1cm than left kidney
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ANATOMY KIDNEY
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ANATOMY KIDNEY
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ANATOMY URETER Diameter 1mm-1cm Length: 25-30cm Retroperitoneal
Three normal narrowing area Pelvoureter junction (PUJ) Pelvic brim where the iliac vessels cross the ureter Vesicoureter junction (VUJ)
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ANATOMY URETER
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ANATOMY BLADDER Urine reservoir Posterosuperior to the pubic bone
Position: Empty: In the pelvic cavity Full: Extend to the abdominal cavity Capacity Adult: cc Children: (Age [in year] + 2) x 30 cc
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ANATOMY BLADDER
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ANATOMY URETHRA Length:
Male: 17,5-20cm Female: 4cm Male urethra divided by inferior aspect of urogenital diaphragm into: Anterior part Cavernous/Penile part Bulbar part Posterior part Membranous part Prostatic part
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ANATOMY URETHRA
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ANATOMY
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IMAGING MODALITIES Plain abdominal x ray BNO-IVP
Retrograde uretrography/cystography/urethrocystography Bipolar Urethrocystography Voiding Cystourethrography Ultrasonography CT Scan MRI Nuclear Imaging Hysterosalphingography
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PLAIN ABDOMINAL X-RAY Routine
Good quality films will show the kidney outlines Enlargement (mass/hydronephrosis) can be recognized Calcification Opaque calculi in the kidney, ureter or bladder Nephrocalcinosis : calcification in the renal parenchym. Air distribution in the bowel Sentinel loop
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NORMAL
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KIDNEY STONE
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KIDNEY STONE
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URETERAL STONE
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BLADDER STONE
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IMAGING MODALITIES Plain abdominal x ray BNO-IVP
Retrograde uretrography/cystography/urethrocystography Bipolar Urethrocystography Voiding Cystourethrography Ultrasonography CT Scan MRI Nuclear Imaging Hysterosalphingography
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BNO-IVP Blass = Urinary bladder, Nier = Kidney, Overzicht = Examination Synonim: Intravenous urography Excretory urography Intravenous pyelography
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BNO-IVP Use contrast media intravenously Anatomic function:
Depict the minor calyx, major calyx, renal pelvis, ureter, urinary bladder. Physiologic function: Assess the kidney function in contrast media filtration and excretion.
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BNO-IVP Indication Evaluate mass or cyst
Urolithiasis (calculi in the kidney or urinary tract) Pyelonephritis Glomerulonephritis Hydronephrosis Trauma Renal hypertension
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BNO-IVP Contraindication Allergy Asthma Anuria Renal failure
Cardiovascular disease Severe liver function abnormality Diabetes mellitus Sickle cell disease Multiple myeloma Pheochromocytoma Pregnancy
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BNO-IVP Contraindication Allergy Asthma Anuria Renal failure
Cardiovascular disease Severe liver function abnormality Diabetes mellitus Sickle cell disease Multiple myeloma Pheochromocytoma Pregnancy
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BNO-IVP Procedure 1-3minute : Nephrogram phase Ureteral compression
5 minute : Excretory function 15 minute : Pelvocalyceal system Compression can be released if the pelvocalyceal system has been seen adequately 30 minute : After the compression was released to see the urinary tract from the kidney to the bladder 45-60 minute : fullbladder Post voiding : passage of contrast agent
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BNO-IVP Contraindication of compression : Suspected stone
Acute abdomen Following abdominal surgery Large abdominal mass Aortic aneurysm Use trendelenburg position instead
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BNO IVP
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1-3 Minute
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5 Minute
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15 Minute
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30 Minute
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Full Blast
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Post Voiding
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HYDRONEPHROSIS CAUSED BY URETERIC STONE (Black arrow
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IMAGING MODALITIES Plain abdominal x ray BNO-IVP
Retrograde uretrography/cystography/urethrocystography Bipolar Urethrocystography Voiding Cystourethrography Ultrasonography CT Scan MRI Hysterosalphingography
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Retrograde Urethrography
To assess the urethra The contrast media is injected from the distal to the proximal part of the urethra (retrograde or ascending)
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Retrograde Urethrography
Indication Urethral rupture Urethral stricture Congenital anomaly Urethral fistule Urethral diverticle Urethral obstruction Hematuria Recurrent urinary tract infection Slow urinary flow Urinary mass
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Retrograde Urethrography
Contraindication Acute urinary tract infection
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Retrograde Urethrography
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Retrograde Urethrography
Urethral rupture
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Retrograde Urethrography
Urethral stricture with periurethral abscess
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Retrograde Cystography
To assess the urinary bladder The contrast media is injected through the urinary catheter into the urinary bladder Retrograde to the urinary flow
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Retrograde Cystography
Indication Recurrent urinary tract infection Suspicion of urinary bladder rupture Stone Mass Inflammation Diverticle Fistule Incontinentia Hematuria Measure the urinary volume post micturition Assess the integrity of the anastomosis or suture post operative
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Retrograde Cystography
Contraindication Pregnancy Urethral rupture (contraindication to the urinary catheter insertion)
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Retrograde Cystography
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Retrograde Urethrocystography
To assess the urinary bladder and the urethra. Combination of the retrograde urethrography and cystography. The contrast media is injected through the external urethral orificium to fill the urethra and then the urinary bladder.
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IMAGING MODALITIES Plain abdominal x ray BNO-IVP
Retrograde & antegrade pyelography Retrograde uretrography/cystography/urethrocystography Bipolar Urethrocystography Voiding Cystourethrography Ultrasonography CT Scan MRI Hysterosalphingography
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Bipolar Urethrocystography
To assess the urethra from the proximal and distal aspects. Retrograde from the distal urethra Antegrade from the cystostomy catheter Patient is asked to void so that the contrast media will fill the proximal part of the urethra.
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Bipolar Urethrocystography
Indication Assess the proximal and distal margin of obstruction (stricture, stone, mass) in the urethra Contraindication Allergy to contrast media
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IMAGING MODALITIES Plain abdominal x ray BNO-IVP
Retrograde & antegrade pyelography Retrograde uretrography/cystography/urethrocystography Bipolar Urethrocystography Ultrasonography CT Scan MRI Hysterosalphingography
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Ultrasonography The kidneys are well shown by ultrasound Mass
Cyst (simple or polycystic) Hydronephrosis Stone Nephrostomy guiding
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Ultrasonography Renal Mass
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Ultrasonography Simple cyst
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Ultrasonography Hydronephrosis
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Ultrasonography Kidney stone
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Ultrasonography The distended urinary bladder is also well shown by abdominal ultrasound Mass Stone Inflammation Infection Diverticle
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Ultrasonography Urinary Bladder Mass
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Ultrasonography Urinary bladder stone
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IMAGING MODALITIES Plain abdominal x ray BNO-IVP
Retrograde & antegrade pyelography Retrograde uretrography/cystography/urethrocystography Bipolar Urethrocystography Ultrasonography CT Scan MRI Hysterosalphingography
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CT scan Mass, cyst and various lesion of the kidneys are all well shown Gold standard in urinary tract stone Staging in tumour
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CT scan Ureteric stone with hydronephrosis
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IMAGING MODALITIES Plain abdominal x ray BNO-IVP
Retrograde & antegrade pyelography Retrograde uretrography/cystography/urethrocystography Bipolar Urethrocystography Ultrasonography CT Scan MRI Hysterosalphingography
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MRI Staging in tumour Superior to CT in staging the bladder and prostatic tumour Good contrast resolution
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MRI Renal mass
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IMAGING MODALITIES Plain abdominal x ray BNO-IVP
Retrograde & antegrade pyelography Retrograde uretrography/cystography/urethrocystography Bipolar Urethrocystography Ultrasonography CT Scan MRI Hysterosalphingography
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Hysterosalpingography
Primarily demonstrate the uterus and the salpynx (fallopian tube)
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Hysterosalpingography
Indication Infertility assessment Obstruction (can be therapeutic) Anatomic anomaly (e.g.uterine bicornis) Intrauterine pathology Endometrial polyps Uterine fibroids Intrauterine adhesion Post operative assessment after tubal ligation or reconstructive surgery
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Hysterosalpingography
Contraindication Pregnancy (performed 7-10 days after the onset of menstruation) Acute pelvic inflammatory disease Active uterine bleeding
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Hysterosalpingography
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Left Hydrosalpynx
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Uterus bicornis
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Thank you for your attention
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